/* 
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
(function ($) {
    $.extend({
        tipsBox: function (options) {
            options = $.extend({
                obj: null,  //jq对象，要在那个html标签上显示
                str: "+1",  //字符串，要显示的内容;也可以传一段html，如: "<b style='font-family:Microsoft YaHei;'>+1</b>"
                startSize: "8px",  //动画开始的文字大小
                endSize: "30px",    //动画结束的文字大小
                interval: 600,  //动画时间间隔
                moveTop:20,
                moveLeft:0,
                color: "red",    //文字颜色
                callback: function () { }    //回调函数
            }, options);
            $("body").append("<span class='num_ani'>" + options.str + "</span>");
            var box = $(".num_ani");
            var left = options.obj.offset().left + options.obj.width() / 2;
            var top = options.obj.offset().top - options.obj.height() / 2;
            box.css({
                "position": "absolute",
                "left": (left+options.moveLeft) + "px",
                "top": (top+options.moveTop)+ "px",
                "z-index": 9999,
                "font-size": options.startSize,
                "line-height": options.endSize,
                "color": options.color
            });
            box.animate({
                "font-size": options.endSize,
                "opacity": "0",
                "top": top - parseInt(options.endSize) + "px"
            }, options.interval, function () {
                box.remove();
                options.callback();
            });
        }
    });
    
})(jQuery);

